• New Campagnolo Centaur MPS 53-tooth 10-speed chainring.  For alloy and carbon hidden-arm cranks. Mates best with a 39T ring.
• Shifting ramps and shifting pins, for eight up-shift & two down-shift spots.
• Made in Italy quality from 2011 and will work with 7/8/9/10-speed systems.
• 135bcd fits Campagnolo cranks.
• 100grams/3.4oz.
• CRCA5112.
• FREE shipping in the USA.